change curvature 中文意思是什麼
change curvature
解釋
改變曲率-
Based on the diopter status of myopia and hypermetropia, the paper presented the principle of excimer laser refractive surgery, the change of impacting cornea curvature on the cornea diopter. in this chapter, we also discussed excimer laser - corneal tissue interactions and photoablation. determine the relationship between the fluence of arf excimer laser and the cornea ablation rate, attain the relationship between the energy density and the ablation depth
研究了激光與生物組織相互作用、光蝕作用及準分子激光消融角膜的機理；首次定量研究193nm準分子激光高斯光束的切削量與能量密度的關系，計算單個激光脈沖角膜切削量；發現了角膜曲率對切削效果的影響，首次提出了角膜曲率半徑、切削位置與切削深度的關系；首次定量確定了激光光斑參數及其排列方式對術后角膜表面粗糙度的影響，為更精確實現角膜切削和提高切削后角膜表面光潔度、減少手術后角膜渾濁及角膜表面術后不規則提供了理論依據。 -
Based on the tribological principle and the theory of contact mechanics, it is feasible to adopt curvature - changing structure in the rock - bit journal bearing system. the structure and coupling relationship of curvature - changing journal bearing under the condition without friction have been analyzed and three kinds of sub - form structure configurations, namely, the pseudo - curvature - changing structure, the conformable curvature - changing structure, and the clearance curvature - changing structure, been differentiated according to the contacting features. the shape optimization and pre - running - in regulations of the contact surface of curvature - changing journal bearing under friction condition have been established. the results of rock bit journal bearing test indicate that the tribological behavior of the bearing can be effectively improved by curvature change based on both designing and pre - running - in
基於摩擦學原理和接觸力學理論，提出了可在牙輪鉆頭滑動軸承中採用變曲率結構.在不考慮摩擦的情況下，就結構設計和配合關系等問題進行了分析討論，劃分了準變曲率、吻合變曲率以及間隙變曲率等3種結構形式；針對考慮摩擦時的變曲率結構，提出了接觸形狀優化和預磨合的實施方案.鉆頭軸承試驗結果表明，無論是預設計變曲率還是預磨合變曲率，都能改善軸承摩擦副的摩擦學特性，因而值得進一步研究和推廣 -
Basically like “ adaptive approach ”, the method can control triangulation density with respect to the change of normal curvature of the surface generating a small number of triangular facets, and thiny triangles, degenerate triangles and “ cracks ” in 3d space will not occur, but the speed of the algorithm is higher than that of adaptive one
該方法基本上可以像「自適應」方法一樣，根據曲面的法曲率變化來控制三角化剖分的密度，生成的三角片數量較少，並且可以避免在三維空間產生狹長的三角形、退化三角形與「裂縫」 ，運行速度明顯比自適應方法快。 -
At changes of direction, the horse should adjust the bend of his body to the curvature of the line he follows, remaining supple and following the indications of the rider, without any resistance or change of pace, rhythm or speed
變換方向時，應當使馬體的曲繞適合它行進的曲線，保持柔和並且聽從騎手的指令，沒有任何反抗，也不改變步伐，節奏或速度。 -
The track in leading line is redesigned for its acute curvature change, which is the bottleneck during spiral machine. the new track has avoided blade ' s gnaw and tool swaying. and a new track with high quality is calculated
針對高速螺旋銑的加工效率瓶頸部分? ?緣頭處曲率劇烈變化的幾何特徵，重新設計了緣頭處的走刀軌跡，避免了緣頭處的啃切與刀軸晃動，計算出高質量的多坐標加工刀位軌跡。 -
Studying on simplification algorithms of " points cloud " data, putting forward three kinds of simplification algorithms of " points cloud " data according to the point number of data set after simplification and the density of data set and the uniformation of curvature change at control point by b spline curve interporlation
簡化「點雲」數據演算法的研究，提出了按指定數據集點的個數、按數據集點的密度閾值和按b樣條曲線插值型值點處曲率變化是否均勻簡化「點雲」數據的三種演算法。 3 -
As when you refine a point curve, refining a sweep can change the curvature of the surface slightly
細化點曲線時，細化掃描會稍微更改曲面的曲率。 -
The curvature interference of the gear and the influence of radius of the mill - cutter, axial misalignment, and center distance on meshing are analyzed. based on these analyses, propose two methods to achieve point - contact : to change the radius of the mill - cutter and increase the center distance
在分析了弧齒線圓柱齒輪的嚙合傳動不產生曲率干涉的條件和刀盤展成半徑、軸線平行度誤差、中心距對嚙合影響的基礎上，提出了點接觸弧齒線圓柱齒輪實現的兩種方案:調整刀盤展成半徑和增大中心距。 -
Based on structural dynamics, different damage diagnosis index, such as modal frequency variety, modal assurance criterion, co - ordinate modal assurance criterion, modal strain energy, remains force vector, modal strain, rigidity change, flexibility matrix, modal curvature and so on, are studied in this thesis
基於結構動力學理論，本文論述多種損傷識別指標的基本原理和計算方法，主要包括:固有頻率變化率、模態置信因子、改進的模態置信因子、模態應變能、殘餘力向量、應變模態、剛度變化、柔度矩陣、曲率模態等。 -
In bimetallic thermometers a defined bending or change in the curvature of a bimetallic strip is brought about by a change in temperature
在雙金屬溫度計中，溫度變化帶來雙金屬條曲率的變化或者說已定義的彎曲度的變化。 -
While structure damage is reflected by the change of stiffness. so the curvature may detect the damage of structure
而結構發生損傷就表現在剛度變化上，所以結構的損傷識別可以用曲率模態的變化來判別。
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